Glass-drawing pot.



W. R. CAMPBELL.

GLASS DRAWING POT. APPLICATION IILED IEB. 20,1913.

Patented June 23 i i Q3 T- 5 k o w A 2 5 a H i 1 W. 6,

UNITED STATES PATENT OFFICE.

WILLIAM R. CAMPBELL, 0F LANCASTER, O HIO;

GLASS-DRAWING 'IPGT.

Specification of Letters Patent.

Patented June 23, 1914.

lip'plication filed February 20, 1913-, Sefial'No. 749,675.

field and State of Ohio, have invented certain new and useful Improvements in Glass- Drawing Pots; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertai-ns to make and use the same.

My invention relates to an improvement in glass drawings pots, and it consists in a frame through an arc of ninety degrees, will carry one pot from its horizontal position to a vertical or drainingposition immediately in front of one furnace, and the other pot from its vertical position in front of vits furnace, to ,a horizontal position to receive a charge of molten glass, and a movement of the frame through ninety degrees in the opposite direction will carry the horizontal pot down to a draining position in front of its furnace, and the vertical pot up to a horizontal position to receive its charge of molten glass.

My invention further consists in two oppositely disposed furnaces, and a potscarrying frame located within the space -'between the two furnaces, the said frame carrying two pots located end to end and at right angles to each other, so that a quarter turn of the frame will lower one pot to a position in front of its furnace and remove the other from in front of its furnace to a horizontal position to receive a charge molten glass.

My invention further consists in the details of construction as will be more fully explained and pointed out in the claims.

In the accompanying drawings, Figure 1 is a view in elevation partly in section of my improved apparatus; Fig. 2 is a view in elevation of the carryin rame for the pots; and Fig. 3 is a plan View of same.

1 and 2re resent furnaces which may be precisely ali e as to details, and separated sufficiently for the introduction between them of the pots carrying frame 3. In the esent instance I have shown the furnaces 1 and 2 supported on the columns 4, and each provided with a concave inner face 5, and two fuel burners 6. I These burners may be for oil or gas, and the opening 7 through which they pass are larger than the burner pipes so as to permit the free passage of air, which commingling with the oil or gas as a the latter issues from the burners, reduces an intense heat sufficient to melt t e glass remaining in the pot, and as the pot is, while being thus heated, in a vertical position as shown at the right of Fig. l, the.

glass as it becomes fluid, drains from the pot. The vertical'pot has approximately the same surface area as thefurnace and sets comparatively close to the latter so that the entire inner surface of the pot. will be pot carrying frame with two pots located at right angles, so that a movement of the within the heating influence of its furnace.

' 9 is a shaft located midway between the two furnaces and approximately in the plane of the horizontal center of the same. This shaft is mounted in bearings which ,permit of a quarter turn, and it carries the two frames 3 in which the pots are mounted.

Each pot frame 3, comprises fourarms (3013- v verging at their inner ends and forming a half bearing 10 adapted to partly embrace shaft 9, and are connected at their outer ends by the integral cross arms 11, each of which has an outwardly turned end 12.- The cross arms 11 support the pot 8, while the ends 12 prevent displacement' of the latter when the pot is turned to its vertical position. Each frame has a half bearing 10, and these half bearings, when the two frames are assembled and secured together, form a whole bearing carrying the two frames. The shaft 9 may be provided with anydevices for limiting its movement to a quarter-turmand the frames are so located with relation to each other, that a quarter turn shifts one pot fromits horizon a1 or drawing position, to the position in front of "its furnace as shown in dotted lines in Fig. 1, and carries the pot shown in front of the furnace at the right, up to horizontal position, thus alternately presenting one pot to its furnace at the right, and the other to its furnace at the left. Only one furnace is therefore in operation at a time, and when not in use the fuel supply may be turned down to save fuel. Then means for actuating the valves controlling the fuel supply may be connected up. to the pot carrying frames or shaft actuating mechanism so as to be actuated automatically. I

With my improvement there is no lifting of the pots and no movement of the shaft 9 except a part rotary movement, hence the mechanism for actuating the shaft is comparatively simple and inexpensive and no time whatever need be lost in shifting one pet from its horizontal to its verticaLor drawing position.

It is evident that many slight changes might be resorted to in the relative arrangement of parts shown and described without departing from the spirit and scope of my invention. Hence T would have it understood that I/do not wish to confine myself to the exact construction and arrangement of parts shown and described, but

Having fully described my invention what I claim as new and desire to secure by Letters-Patent, is

1. In a glass drawing ap aratus, the combination of two opposite y disposed furnaces, a pivoted frame located intermediate the two furnaces and two pots carried by said frame at right angles to each other whereby a quarter turn'of the pivoted frame will elevate one pot from its position in front of its furnace to a horizontal position and carry the other pot from a horizontalposition to a vertical position in front of its furnace.

2; In glass drawing apparatus, the combination of the two oppositely disposed furnaces,

ivoted frame located intermediate the two urnaces, and two pots carried by said frame and located at right angles to each other whereby when the shaft 1s turned one pot will be moved from its-vertical position in front of its furnace to a horizontal posi tion above the furnaces, and the other moved from a horizontal position to a vertical po-.

sition in front of its furnace.

' 3. In a glass drawing apparatus, two supporting frames, each havin a half bearing and adapted to be assemble and secured together to form the whole bearing and support pots at right angles to each other, so that when given a quarter turn one pot will be moved from its vertical position to a horizontal position and the 'other from its horizontal position to a vertical position.v

In testimony whereof, I have signed this specification in the presence of two subscribing witnesses. I

WILLIAM R. oA PBEnii' Witnesses: I

F. ACTON, L. W. MARKS.

each having a curved inner face, a. 

